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    Application

    best wholesale great power 3.7V 3000mAh icr18650 li-ion 18650 bulk lithium ion rechargeable batteries battery

    Nominal Capacity3000mAhMinimum Capacity2900mAhNominal Voltage3.7VDischarge Cut-off Voltage2.75VMaximum Charging Voltage4.2±0.05VInternal Impedance≤50m?Standard ChargeConstant Current: 0.5C; Constant V

    Nominal Capacity3000mAh
    Minimum Capacity2900mAh
    Nominal Voltage3.7V
    Discharge Cut-off Voltage2.75V
    Maximum Charging Voltage4.2±0.05V
    Internal Impedance50m?
    Standard ChargeConstant Current: 0.5C; Constant Voltage: 4.2V; Cut-off Current: 0.02C
    Standard DischargeConstant Current: 0.5C; Cut-off Voltage: 2.75V
    Fast ChargeConstant Current: 1C; Constant Voltage: 4.2V; Cut-off Current: 0.02C
    Fast DischargeConstant Current 1C end Voltage 2.75V
    Continuous discharge Current1C
    Peak Discharge Current3C
    Operation Temperature RangeCharge:0~45℃
    Discharge:-10~60℃
    Storage Temperature RangeLess than 1 year:-20~25℃
    Less than 3 months:-20~40℃
    Weight48g
    Size18*65mm


    Nominal Capacity3000mAh
    Minimum Capacity2900mAh
    Nominal Voltage3.7V
    Discharge Cut-off Voltage2.75V
    Maximum Charging Voltage4.2±0.05V
    Internal Impedance50m?
    Standard ChargeConstant Current: 0.5C; Constant Voltage: 4.2V; Cut-off Current: 0.02C
    Standard DischargeConstant Current: 0.5C; Cut-off Voltage: 2.75V
    Fast ChargeConstant Current: 1C; Constant Voltage: 4.2V; Cut-off Current: 0.02C
    Fast DischargeConstant Current 1C end Voltage 2.75V
    Continuous discharge Current1C
    Peak Discharge Current3C
    Operation Temperature RangeCharge:0~45℃
    Discharge:-10~60℃
    Storage Temperature RangeLess than 1 year:-20~25℃
    Less than 3 months:-20~40℃
    Weight48g
    Size18*65mm


    China li-ion battery supplier1543474329617893.jpgli-ion battery manufacturerShenZhen China li-ion batteryli-ion rechargeable batteriesbattery

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    GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us.


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    1,Q: What's the main product in GEB?                                                                       

       A: Rechargeable battery. Li-ion, Lipo battery and power battery pack.

    2,Q: What is overcharge?                                                                                             

       A: After charge, tested the batteries' initial state and capacity. Charge to 10.0V at 3C current, then charge to 0.01C at CV mode. Observe changes in battery appearance.

    3,Q: What is over discharge?                                                                                       

       A: After charge, test the batteries' initial state. When the batteries are normal, discharge to 0V at 0.5C. Observe changes in battery appearance

    4. Q: Can I have a sample order?                                                                                   

      A: Yes, we accept sample order to test and check quality. Batteries can be made as require.

    5. Q: Do you have MOQ limit?                                                                                        

      A: Yes, we have MOQ limit for mass production, but it depends on battery model. Please contact us for details.

    6. Q: How about the lead time?                                                                                      

      A: Samples will takes 5-7 business days. Mass production will takes 25-30 days. It depends on quantity.

    7. Q: How about shipping and delivery time?                                                              

      A: Generally, battery will be shipped via Express, such as DHL, TNT, FedEx and UPS, delivery time is 3-5 business days. Or DDP service, delivery time is 11-15 business days. Airline and sea shipping also available.

    8. Q: What about after-sale service?                                                                             

       A: We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.


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    GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us.


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